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10518481 is a prime number
BaseRepresentation
bin101000000111…
…111111010001
3201210101122101
4220013333101
510143042411
61013240401
7155256061
oct50077721
921711571
1010518481
115a34766
123633101
13224386c
14157b3a1
15dcb8c1
hexa07fd1

10518481 has 2 divisors, whose sum is σ = 10518482. Its totient is φ = 10518480.

The previous prime is 10518451. The next prime is 10518491. The reversal of 10518481 is 18481501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10504081 + 14400 = 3241^2 + 120^2 .

It is an emirp because it is prime and its reverse (18481501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10518481 - 27 = 10518353 is a prime.

It is a super-2 number, since 2×105184812 = 221276885094722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10518401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5259240 + 5259241.

It is an arithmetic number, because the mean of its divisors is an integer number (5259241).

Almost surely, 210518481 is an apocalyptic number.

It is an amenable number.

10518481 is a deficient number, since it is larger than the sum of its proper divisors (1).

10518481 is an equidigital number, since it uses as much as digits as its factorization.

10518481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 28.

The square root of 10518481 is about 3243.2207757105. The cubic root of 10518481 is about 219.1043545396.

Adding to 10518481 its reverse (18481501), we get a palindrome (28999982).

The spelling of 10518481 in words is "ten million, five hundred eighteen thousand, four hundred eighty-one".